Diff Report
Run #52e48e674e7b6: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e48ef364ce3: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Driver\mysql\Connection::open

Drupal\Core\Database\Driver\mysql\Connection::openRun #52e48e674e7b6Run #52e48ef364ce3DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)558 529 -29 -5.2%
Incl. Wall Time (microsec) per call 558 529 -29 -5.2%
Excl. Wall Time (microsec)39 51 12 30.8%
Incl. CPU (microsecs)264 292 28 10.6%
Incl. CPU (microsecs) per call 264 292 28 10.6%
Excl. CPU (microsec)36 45 9 25.0%
Incl. MemUse (bytes)13,280 13,280 0 0.0%
Incl. MemUse (bytes) per call 13,280 13,280 0 0.0%
Excl. MemUse (bytes)3,136 3,136 0 0.0%
Incl. PeakMemUse (bytes)12,032 12,032 0 0.0%
Incl. PeakMemUse (bytes) per call 12,032 12,032 0 0.0%
Excl. PeakMemUse (bytes)1,904 1,904 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Driver\mysql\Connection::open [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Driver\mysql\Connection::open0 N/A% -29 -9.1% 28 7.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function12 41.4% 9 32.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Database::openConnection0 N/A% -29 -100.0% 28 100.0% 0 N/A% 0 N/A%
Child functions
PDO::__construct0 N/A% -45 -155.2% -8 -28.6% 0 N/A% 0 N/A%
PDO::exec0 N/A% 3 10.3% 26 92.9% 0 N/A% 0 N/A%
implode0 N/A% 1 3.4% 1 3.6% 0 N/A% 0 N/A%